| Countries Hidden in a Letter #1 | 0 | - | 5.00 | 48,500 |
| NATO Countries | 0 | - | 4.98 | 282,796 |
| EU Countries Quiz | 0 | - | 4.99 | 277,071 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 290,662 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 276,080 |
| Top Five Countries by Religion | 0 | - | 4.93 | 172,980 |
| Countries by Hottest Recorded Temperature | 0 | - | 4.92 | 113,665 |
| Countries by Coldest Recorded Temperature | 0 | - | 4.83 | 112,926 |
| Countries with the Most Elite Universities | 0 | - | 4.95 | 149,496 |
| Countries where the Sea Freezes | 0 | - | 4.93 | 115,076 |
| Countries with the Longest High Speed Rail Networks | 0 | - | 4.91 | 66,113 |
| Largest Countries Without Deserts | 0 | - | 4.89 | 75,523 |
| Countries with NO Military | 0 | - | 4.97 | 63,088 |
| Monarchies of the World | 0 | - | 4.94 | 169,895 |
| Countries by Number of Books Published | 0 | - | 4.95 | 72,990 |
| People on Money by Country | 0 | - | 4.83 | 60,642 |
| Countries that Start with a Vowel | 0 | - | 4.99 | 154,988 |
| Countries with the Most Major Earthquakes | 0 | - | 4.94 | 117,737 |
| Countries with the Most JetPunk Users | 0 | - | 4.99 | 169,643 |
| Most Common JetPunk Answers - Countries | 0 | - | 4.91 | 88,281 |
| Country Superlatives - Top 2 | 0 | - | 4.99 | 70,605 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,774,736 |
| Majority Muslim Countries | 0 | - | 4.98 | 376,973 |
| Landlocked Countries | 0 | - | 4.99 | 424,422 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,795,711 |
| Sahara Desert Countries | 0 | - | 4.98 | 165,589 |
| Himalayan Countries | 0 | - | 4.94 | 139,738 |
| Andean Countries | 0 | - | 4.94 | 85,167 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,345 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 126,601 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,916 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,208 |
| Danube Countries | 0 | - | 4.97 | 72,263 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 117,400 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,691 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,842 |
| Countries with the Most Skyscrapers | 0 | - | 4.93 | 144,595 |
| Southernmost Countries A-Z | 0 | - | 4.95 | 153,959 |
| Northernmost Countries A-Z | 0 | - | 4.99 | 196,455 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,333 |
| Least Populous Countries A-Z | 0 | - | 4.99 | 170,757 |
| European Landlocked Countries | 0 | - | 4.99 | 147,445 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,069 |
| Countries with the Most Species | 0 | - | 4.99 | 103,473 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,206 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,707 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,819 |
| Biggest Countries by Area A-Z | 0 | - | 4.96 | 193,674 |
| Most Populous Countries A-Z | 0 | - | 4.98 | 301,702 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,737 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,470 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,894 |
| Countries in the Alps | 0 | - | 4.87 | 118,568 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 102,277 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,582 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,853 |
| Countries with the Tallest Buildings | 0 | - | 4.93 | 104,767 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,873 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,798 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,127 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 101,111 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,737 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,332 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,056 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,786 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,656 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,443 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,675 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,765 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 119,493 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,515 |
| Most Guessed Cities by Country #2 | 0 | - | 4.94 | 80,232 |
| Most Guessed Cities by Country #1 | 0 | - | 4.87 | 103,116 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 65,504 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,476 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 245,167 |
| World Countries - Blind Typing | 0 | - | 5.00 | 108,818 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,421 |
| Countries with the Most Tanks | 0 | - | 4.91 | 108,070 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 50,983 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 75,076 |
| Largest Countries By Category | 0 | - | 4.97 | 158,633 |
| Countries by Countries | 0 | - | 4.96 | 63,500 |
| Five Least Guessed Countries by Continent | 0 | - | 4.97 | 99,235 |
| Countries with the Greatest Elevation A-Z | 0 | - | 4.83 | 73,335 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 323,145 |
| Country Flags with the Most White | 0 | - | 4.85 | 139,080 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,361 |
| Buddhist Countries | 0 | - | 4.96 | 144,923 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,643 |
| Most Guessed Countries on JetPunk | 0 | - | 4.96 | 198,994 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,971 |
| Countries with the Most Billionaires | 0 | - | 4.90 | 336,612 |
| Coldest Countries | 0 | - | 4.97 | 139,272 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 124,466 |
| Countries with the Most Nobel Prizes | 0 | - | 4.87 | 90,953 |
| Countries with the Least Precipitation | 0 | - | 4.90 | 82,979 |
| Countries with Most Nobel Prizes by Continent | 0 | - | 4.93 | 60,051 |
| Five Coldest Countries by Continent | 0 | - | 4.97 | 76,852 |
| Monarchies Bordering Monarchies | 0 | - | 4.81 | 60,532 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 334,151 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 376,286 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 408,895 |
| Island Countries | 0 | - | 4.99 | 712,027 |
| Country Word Search #2 | 0 | - | 4.54 | 56,708 |
| Country Word Search - Large Edition | 0 | - | 4.68 | 65,195 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,053,171 |
| Northernmost Countries | 0 | - | 4.99 | 363,376 |
| Countries of South America | 0 | - | 5.00 | 930,800 |
| Countries of Oceania | 0 | - | 5.00 | 1,061,159 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,885,155 |
| "Land" Countries | 0 | - | 4.98 | 338,041 |
| Richest Island Countries | 0 | - | 4.85 | 101,074 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,390,516 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 237,727 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 226,677 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 193,380 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 123,759 |
| Top Five Countries by Random Categories | 0 | - | 4.95 | 140,963 |
| Countries with the Most Muslims | 0 | - | 4.95 | 161,006 |
| Countries with the Most Exports | 0 | - | 4.96 | 155,976 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 190,309 |
| Countries by Oil Consumption | 0 | - | 4.96 | 120,692 |
| Largest Economies in 2050 | 0 | - | 4.90 | 111,819 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 274,140 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.96 | 104,829 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.89 | 84,952 |
| Shortest Country Name A-Z | 0 | - | 4.99 | 238,315 |
| Countries that Start with A | 0 | - | 4.98 | 2,172,662 |
| Countries that Start with B | 0 | - | 4.95 | 2,303,647 |
| Countries that Start with C | 0 | - | 4.96 | 1,829,268 |
| Countries that Start with D | 0 | - | 4.96 | 714,847 |
| Countries that Start with E | 0 | - | 4.95 | 1,383,249 |
| Countries that Start with G | 0 | - | 4.97 | 1,509,583 |
| Countries that Start with H | 0 | - | 4.96 | 608,458 |
| Countries that Start with I | 0 | - | 4.92 | 1,293,136 |
| Countries that Start with J | 0 | - | 4.98 | 605,909 |
| Countries that Start with K | 0 | - | 4.97 | 819,622 |
| Countries that Start with L | 0 | - | 4.98 | 1,095,385 |
| Countries that Start with N | 0 | - | 4.93 | 1,122,411 |
| Countries that Start with P | 0 | - | 4.94 | 1,220,682 |
| Countries that Start with S | 0 | - | 4.98 | 1,761,230 |
| Countries that Start with T | 0 | - | 4.90 | 1,013,793 |
| Countries that Start with U | 0 | - | 4.97 | 907,628 |
| Countries that Start with V | 0 | - | 4.98 | 611,383 |
| Countries that Start with F | 0 | - | 4.83 | 620,437 |
| Countries that Start with M | 0 | - | 4.97 | 1,386,757 |
| Five Most Guessed Countries by Continent | 0 | - | 4.97 | 174,201 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 195,905 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 118,915 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 174,777 |
| Countries with Megacities | 0 | - | 4.99 | 266,339 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,488 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,896 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,784 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,005 |
| Countries by Official Language | 0 | - | 4.95 | 195,761 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 297,289 |
| Countries in their Native Language | 0 | - | 4.99 | 199,544 |
| Independence from Whom | 0 | - | 4.99 | 212,740 |
| Subdivisions by Country | 0 | - | 4.87 | 50,562 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 133,207 |
| Megadiverse Countries | 0 | - | 4.96 | 135,190 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 132,754 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 55,480 |
| Countries with Multiple Big Islands | 0 | - | 4.92 | 126,380 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,179 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 163,434 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,752 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,894 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 154,503 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,773 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,222 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 78,191 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 108,306 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,372 |
| Countries with the Highest HDI | 0 | - | 4.95 | 137,093 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,512 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,629 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 111,998 |
| World Map Quiz | 0 | - | 4.81 | 65,434 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 158,576 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,576 |
| Countries by Founding Story | 0 | - | 4.95 | 77,662 |
| Southernmost Countries of the World | 0 | - | 4.99 | 228,978 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 105,938 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 123,427 |
| Countries With the Most Languages | 0 | - | 4.90 | 203,218 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.96 | 111,284 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 94,401 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,592 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,617 |
| Tallest Countries North to South | 0 | - | 4.86 | 130,054 |
| Widest Countries East to West | 0 | - | 4.92 | 130,302 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,558 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 187,100 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,465 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,977 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,856 |
| Countries with the Most Desert | 0 | - | 4.93 | 128,355 |